$ git clone -n https://src.fedoraproject.org/rpms/kf5-libksane.git /var/lib/mock/f38-build-712351-94305/root/chroot_tmpdir/scmroot/kf5-libksane
Cloning into '/var/lib/mock/f38-build-712351-94305/root/chroot_tmpdir/scmroot/kf5-libksane'...
$ git fetch origin 423422417afd65c591a506e6d275d61e344c00e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libksane
 * [new ref]         423422417afd65c591a506e6d275d61e344c00e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4234224 23.04.0